package com.jianjun.common.util;


import cn.hutool.core.text.AntPathMatcher;
import cn.hutool.core.util.StrUtil;
import com.jianjun.common.constant.Constants;
import com.jianjun.common.constant.HttpStatus;
import com.jianjun.common.exception.ServiceException;
import com.jianjun.framework.security.LoginUser;
import com.jianjun.framework.web.interceptor.JwtAuthenticationTokenInterceptor;
import com.jianjun.project.common.model.SysRole;
import lombok.experimental.UtilityClass;

import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;

/**
 * 安全服务工具类
 *
 * @author source
 */
@UtilityClass
public class SecurityUtils {
    static Boolean desensitization = AllConfig.CONFIG.getBoolean("json.desensitization");

    /**
     * 用户ID
     **/
    public static Long getUserId() {
        try {
            return getLoginUser().getUserId();
        } catch (Exception e) {
            throw new ServiceException("获取用户ID异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 获取部门ID
     **/
    public static Long getDeptId() {
        try {
            return getLoginUser().getDeptId();
        } catch (Exception e) {
            throw new ServiceException("获取部门ID异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 获取用户账户
     **/
    public static String getUsername() {
        try {
            return getLoginUser().getUser().getUserName();
        } catch (Exception e) {
            throw new ServiceException("获取用户账户异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 获取用户
     **/
    public static LoginUser getLoginUser() {
        try {
            return JwtAuthenticationTokenInterceptor.getLoginUser();
        } catch (Exception e) {
            throw new ServiceException("获取用户信息异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 是否需要脱敏处理
     */
    public static boolean desensitization() {
        if (desensitization) {
            try {
                LoginUser securityUser = getLoginUser();
                // 管理员不脱敏
                return !securityUser.getUser().isAdmin();
            } catch (Exception e) {
                return true;
            }
        } else {
            return false;
        }
    }

    /**
     * 生成BCryptPasswordEncoder密码
     *
     * @param password 密码
     * @return 加密字符串
     */
    public static String encryptPassword(String password) {
        BCryptPasswordEncoder bCryptPasswordEncoder = new BCryptPasswordEncoder();
        return bCryptPasswordEncoder.encode(password);
    }

    /**
     * 判断密码是否相同
     *
     * @param rawPassword 真实密码
     * @param encodedPassword 加密后字符
     * @return 结果
     */
    public static boolean matchesPassword(String rawPassword, String encodedPassword) {
        BCryptPasswordEncoder bCryptPasswordEncoder = new BCryptPasswordEncoder();
        return bCryptPasswordEncoder.matches(rawPassword, encodedPassword);
    }


    /**
     * 验证用户是否具备某权限
     *
     * @param permission 权限字符串
     * @return 用户是否具备某权限
     */
    public static boolean hasPermi(String permission) {
        return hasPermi(getLoginUser().getPermissions(), permission);
    }

    /**
     * 判断是否包含权限
     *
     * @param authorities 权限列表
     * @param permission 权限字符串
     * @return 用户是否具备某权限
     */
    public static boolean hasPermi(Collection<String> authorities, String permission) {
        return authorities.stream().filter(StrUtil::isNotBlank)
                .anyMatch(x -> Constants.ALL_PERMISSION.equals(x) || new AntPathMatcher().match(x, permission));
    }

    /**
     * 验证用户是否拥有某个角色
     *
     * @param role 角色标识
     * @return 用户是否具备某角色
     */
    public static boolean hasRole(String role) {
        List<SysRole> roleList = getLoginUser().getUser().getRoles();
        Collection<String> roles = roleList.stream().map(SysRole::getRoleKey).collect(Collectors.toSet());
        return hasRole(roles, role);
    }

    /**
     * 判断是否包含角色
     *
     * @param roles 角色列表
     * @param role 角色
     * @return 用户是否具备某角色权限
     */
    public static boolean hasRole(Collection<String> roles, String role) {

        return roles.stream().filter(StrUtil::isNotBlank)
                .anyMatch(x -> Constants.SUPER_ADMIN.equals(x) || new AntPathMatcher().match(x, role));
    }
}
